Posts Tagged ‘ teaching ’

Solution to the helicopter design problem

October 24, 2014
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See yesterday’s post for background. Here’s the question: In the helicopter activity, pairs of students design paper ”helicopters” and compete to create the copter that takes longest to reach the ground when dropped from a fixed height. The two parameters of the helicopter, a and b, correspond to the length of certain cuts in the […] The post Solution to the helicopter design problem appeared first on Statistical Modeling, Causal…

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Some questions from our Ph.D. statistics qualifying exam

October 23, 2014
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In the in-class applied statistics qualifying exam, students had 4 hours to do 6 problems. Here were the 3 problems I submitted: In the helicopter activity, pairs of students design paper ”helicopters” and compete to create the copter that takes longest to reach the ground when dropped from a fixed height. The two parameters of the […] The post Some questions from our Ph.D. statistics qualifying exam appeared first on Statistical…

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Three ways to present a probability forecast, and I only like one of them

October 20, 2014
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Three ways to present a probability forecast, and I only like one of them

To the nearest 10%: To the nearest 1%: To the nearest 0.1%: I think the National Weather Service knows what they’re doing on this one. The post Three ways to present a probability forecast, and I only like one of them appeared first on Statist...

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Statistical Communication and Graphics Manifesto

October 15, 2014
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Statistical Communication and Graphics Manifesto

Statistical communication includes graphing data and fitted models, programming, writing for specialized and general audiences, lecturing, working with students, and combining words and pictures in different ways. The common theme of all these interactions is that we need to consider our statistical tools in the context of our goals. Communication is not just about conveying […] The post Statistical Communication and Graphics Manifesto appeared first on Statistical Modeling, Causal Inference,…

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My course on Statistical Communication and Graphics

October 15, 2014
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My course on Statistical Communication and Graphics

We will study and practice many different aspects of statistical communication, including graphing data and fitted models, programming in Rrrrrrrr, writing for specialized and general audiences, lecturing, working with students and colleagues, and combining words and pictures in different ways. You learn by doing: each week we have two classes that are full of student […] The post My course on Statistical Communication and Graphics appeared first on Statistical Modeling,…

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I didn’t say that! Part 2

October 14, 2014
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Uh oh, this is getting kinda embarrassing. The Garden of Forking Paths paper, by Eric Loken and myself, just appeared in American Scientist. Here’s our manuscript version (“The garden of forking paths: Why multiple comparisons can be a problem, even when there is no ‘fishing expedition’ or ‘p-hacking’ and the research hypothesis was posited ahead […] The post I didn’t say that! Part 2 appeared first on Statistical Modeling, Causal…

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A Statistics-centric curriculum

October 5, 2014
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A Statistics-centric curriculum

Calculus is the wrong summit of the pyramid. “The mathematics curriculum that we have is based on a foundation of arithmetic and algebra. And everything we learn after that is building up towards one subject. And at top of that … Continue reading →

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In defense of stories and classroom activities, from a resubmission letter from 1999

October 1, 2014
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I was going through my files looking for some old data (which I still haven’t found!) and came across a letter from 1999 accompanying the submission of a revision of this article with Glickman. Here’s a part of the letter, a response to some questions of one of the reviewers: With regard to the comment […]

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Are Ivy League schools overrated?

September 30, 2014
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I won’t actually answer the above question, as I am offering neither a rating of these schools nor a measure of how others rate them (which would be necessary to calibrate the “overrated” claim). What I am doing is responding to an email from Mark Palko, who wrote: I [Palko] am in broad agreement with […]

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No, I didn’t say that!

September 30, 2014
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Faye Flam wrote a solid article for the New York Times on Bayesian statistics, and as part of her research she spent some time on the phone with me awhile ago discussing the connections between Bayesian inference and the crisis in science criticism. My longer thoughts on this topic are in my recent article, “The […]

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